Solar flares on September 30, 2003
The most powerful solar flare in 24 hours
C5.4 (normal) flare - September 30 at 12:46 AM
Solar activity index
Value as of the end of the day on September 30, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2003 to September 30, 2003
Time zone — UTC+03 (Lipetsk)
List of solar flares for September 30, 2003
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.9 | 23:09 | 23:21 | 23:41 | 471 |
| C3.0 | 15:47 | 15:50 | 15:53 | 464 |
| C3.2 | 11:46 | 11:52 | 11:56 | 464 |
| C1.8 | 11:37 | 11:40 | 11:42 | — |
| C2.8 | 10:37 | 11:01 | 11:15 | 464 |
| C3.3 | 08:07 | 08:13 | 08:30 | 464 |
| C5.1 | 06:14 | 06:40 | 07:01 | 464 |
| C1.6 | 05:58 | 06:02 | 06:06 | 464 |
| C2.4 | 04:07 | 04:10 | 04:12 | 464 |
| C5.4 | 00:41 | 00:46 | 00:56 | 464 |
| C1.7 | 00:07 | 00:11 | 00:18 | — |